Caterpillar Inc. is a US corporation that focuses on the development, production and marketing of mining and construction equipment, diesel-electric locomotives, industrial turbines, and natural gas and diesel engines.

The company was organized as Caterpillar Tractor Co. in 1925 in the State of California following the merger of the Holt Manufacturing Company and the C. L. Best Tractor Company. It reorganized itself as Caterpillar Inc in 1986 in the State of Delaware.

Caterpillar Inc. is publicly listed on the New York Stock Exchange under the stock ticker symbol ‘CAT’.